88 lines
2.4 KiB
HTML
Executable File
88 lines
2.4 KiB
HTML
Executable File
<!doctype html>
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<title>CodeMirror: HTML5 preview</title>
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<meta charset="utf-8"/>
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<link rel=stylesheet href="../doc/docs.css">
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<link rel=stylesheet href=../lib/codemirror.css>
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<script src=../lib/codemirror.js></script>
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<script src=../mode/xml/xml.js></script>
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<script src=../mode/javascript/javascript.js></script>
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<script src=../mode/css/css.js></script>
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<script src=../mode/htmlmixed/htmlmixed.js></script>
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<style type=text/css>
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.CodeMirror {
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float: left;
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width: 50%;
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border: 1px solid black;
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}
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iframe {
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width: 49%;
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float: left;
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height: 300px;
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border: 1px solid black;
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border-left: 0px;
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}
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</style>
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<div id=nav>
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<a href="https://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a>
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<ul>
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<li><a href="../index.html">Home</a>
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<li><a href="../doc/manual.html">Manual</a>
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<li><a href="https://github.com/codemirror/codemirror">Code</a>
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</ul>
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<ul>
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<li><a class=active href="#">HTML5 preview</a>
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</ul>
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</div>
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<article>
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<h2>HTML5 preview</h2>
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<textarea id=code name=code>
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<!doctype html>
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<html>
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<head>
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<meta charset=utf-8>
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<title>HTML5 canvas demo</title>
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<style>p {font-family: monospace;}</style>
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</head>
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<body>
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<p>Canvas pane goes here:</p>
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<canvas id=pane width=300 height=200></canvas>
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<script>
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var canvas = document.getElementById('pane');
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var context = canvas.getContext('2d');
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context.fillStyle = 'rgb(250,0,0)';
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context.fillRect(10, 10, 55, 50);
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context.fillStyle = 'rgba(0, 0, 250, 0.5)';
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context.fillRect(30, 30, 55, 50);
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</script>
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</body>
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</html></textarea>
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<iframe id=preview></iframe>
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<script>
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var delay;
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// Initialize CodeMirror editor with a nice html5 canvas demo.
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var editor = CodeMirror.fromTextArea(document.getElementById('code'), {
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mode: 'text/html'
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});
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editor.on("change", function() {
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clearTimeout(delay);
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delay = setTimeout(updatePreview, 300);
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});
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function updatePreview() {
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var previewFrame = document.getElementById('preview');
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var preview = previewFrame.contentDocument || previewFrame.contentWindow.document;
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preview.open();
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preview.write(editor.getValue());
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preview.close();
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}
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setTimeout(updatePreview, 300);
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</script>
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</article>
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